1.wartość bezwzgledna.
||x|-3=x-1
x-3=x-1 lub x-3=-x+1
0 neirowna sie 2 2x=4|:2
x=2
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x-3=x-1 lub x-3=-x+1
0 neirowna sie 2 2x=4|:2
x=2